Unit2Topic3SectionD九年级英语上册课件

九上Unit2SavingtheEarthTopic3

Whatcanwedoathometoprotecttheenvironment?SectionDI、Masterthenewwordsandphrases：dry,remove,place,cutdown,sothat,eventhough,providesth.todosth.;facedifficulties...II、Beabletousethecompoundsentencecorrectly.III、Realizetheimportanceoftheforest.Learningaims:ReviewMatchthem.Don’tthrowtherubbishhereandthere.Don’tspitinapublicplace.Don’tdrawabeautifulpictureonthepublicwalls.Don’tthrowthingsawayiftheycanbereused.Gotoschoolbybikeinsteadofbybus.Don’tpourdirtywaterintoriversdirectly.Turnoffthelightswhenyougoout.ReviewCanyouanswerthequestions?1.WhatarethethreeR’s?2.Whichmeans“makesomethinglessorsmaller”?3.Whatshouldwereduce?4.Whichmeans“useitagain”?5.Whatshouldwereuse?6.Whatshouldwedoaboutrecycling?Reduce,reuseandrecycle.Reduce.Weshouldreducethethingswhichpeoplecanuseonlyonce.Reuse.Weshouldreuseplasticbags.Weshouldcollectwastepaperorsoftdrinkcans,andsortthemsothattheycanberecycled.CompoundSentence

Recyclingcanprotecttheenvironment,________itcansavemoney,too.Somethingswehavedonearegoodfortheearth_________somearebad.Weshoulddoeverythingtoprotectit,________we’llbepunishedandloseourhome.Peopleproducepowerfromcoal,_________itisverydirtyandcausesacidrain.ReadthroughSectionsA-Candfillintheblankswiththecorrectwords.Grammarandwhileorbut闯关练习：()1.Helpotherswheneveryoucan_____you’llmaketheworldanicerplacetolivein.A.or B.and C.butD.while()2.Crosstheroadcarefully,________you’llkeepyourselfsafe.A.so B.or C.butD.and()3.Hurryup,________you’llbelatefortheconcert.A.or B.so C.butD.and()4.---TellussomethingaboutCanada,OK?---I’msorry.________Jack_______Ihaveeverbeenthere.A.Either,orB.Notonly,butalsoC.Both,andD.Neither,nor()5.IalwaysenjoyvisitingLondon,______Iwouldn’tliketolivethere.A.becauseB.so C.but D.and()6.Therearemanysportsloversinhisoffice.

Someloveclimbing,____othersenjoyswimming.

A.Or B.forC.while D.so()7.___she___Iknowhistelephonenumber,becauseithasbeenchanged.A.Both;andB.Either;orC.Notonly;butalsoD.Neither;norBDADCCDFunctionsWouldyouliketobea__________person?First,yououghtto_________theelectricitywhenyouleavearoom.__________saidthandone.Actionspeak_________thanwords.Thetraincan_________atopspeedof431kmperhour.ReadthroughSectionsA-Candfillintheblankswiththecorrectwords.greenershutoffEasierlouderreachPre-readingWarmupDoyouknowtheimportanceofforests?Newwords&expressionsForestsarethelungsoftheearth.Theearthneedsitsforeststoremovecarbondioxidefromtheairandtomakeoxygen.Inthepast,forestswerecutdowntoprovidewoodtobuildhouses.Now,manyyoungvolunteersplantnewtreestoreplacethem./rɪ'mu:v/v.去除，使消失；移开/rɪ'pleɪs/v.代替，取代Theweathermaybeveryhotanddryoritmaybeverycoldandwetwhentheyoungvolunteersplantnewtrees.Thereareoftenmanyinsectsthatbitetheseplantersontheirlegs,arms,andfaceswhiletheywork./draɪ/v.弄干，擦干adj.

干燥的，雨少的/'ɪnsekt/n.昆虫/baɪt/v.咬；叮/'plɑ:ntə/

n.种植园主bite+sb.+介词+one’s+身体部位

咬某人的......While-reading《EarthSong

》EnjoyaMVWhatdoeshewanttotellusintheMV?Hetellsustheimportanceofprotectingtheearthandcallsonustostopdistroyingtheearth.callon呼吁，号召SkimmingParagraph1:___________________________________Paragraph2:______________________________________________________________________Paragraph3:___________________________________Read1aquicklyandfindoutthetopicsentenceofeachparagraph.

Forestsarethelungsoftheearth.Theseyoungmenandwomenfacemanydifficultieswhentheyplantnewtrees.Treeplantersarechangingtheworld.ScanningCloseyourtextbooksanddecidewhichofthefollowingsentencesistrue“T”orfalse“F”.1.Forestsaretheheartsoftheearth.()2.Inmanycountries,forestswerecutdowntomakemoney.()3.Theseyoungmenandwomenfacemanydifficultieswhentheyplantnewtrees.()4.Eventhoughtreeplantingisverydifficult,theylovetheirwork.()TFTFReadpara.1andanswerthequestion.CarefulreadingForestsarethelungsoftheearth.Withoutthem,itcannotbreathe.Itneedsitsforeststoremovecarbondioxidefromtheairandtomakeoxygen.Inmanycountries,suchasNewZealand,Canada,andBrazil,forestswerecutdowntoprovidewoodtobuildhouses.Manyyoungvolunteersaroundtheworldareworkingintheirholidaystoplantnewtreestoreplacethem.1.Howdoyouunderstand“Forestsarethelungsoftheearth”?

提示：点击文本框可听录音。Forestscanremovecarbondioxidefromtheairandmakeoxygen.Readpara.1andfillintheblanks.CarefulreadingForestsarethe_______oftheearth.Withoutthem,itcannot_______.Itneedsitsforeststo_______carbondioxidefromtheairandtomake_______.Inmanycountries,suchasNewZealand,Canada,andBrazil,forestswere_________toprovidewoodto_____________.Manyyoungvolunteersaroundtheworldareworkingintheirholidaystoplantnewtreesto_________them.lungsbreatheremoveoxygencutdownbuildhousesreplaceremove...from...从......移除Readpara.2andanswerthequestions.CarefulreadingTheseyoungmenandwomenfacemanydifficultieswhentheyplantnewtrees.Theweathermaybeveryhotanddryoritmaybeverycoldandwet.Thereareoftenmanyinsects(thatbitetheseplantersontheirlegs,arms,andfaces)whiletheywork.Theycarryheavybagsofsmalltrees,andworking(inthemountains)canbedangerous.2.Whatdifficultiesdotreeplantersfacewhentheyplanttrees?

提示：点击文本框可听录音。(1)Theweathermaybeveryhotand

dry

oritmaybeverycoldandwet.(2)Thereareoftenmanyinsectsthatbitetheseplantersontheirlegs,arms,andfaceswhiletheywork.(3)Theycarryheavybagsofsmalltrees,andworkinginthemountainscanbedangerous.Readpara.3andanswerthequestions.CarefulreadingTreeplantersarechangingtheworld.Theyplantdifferenttypesoftreessothatbirdsandanimalscanliveintheforests.Eventhoughtreeplantingisverydifficult,theylovetheirwork.Theybelievethatin50yearstheirlittletreeswillbecomebeautifulforests.3.Whydotheyplantdifferentkindsoftrees?4.Whatwillhappenifwedonotplantnewforests?提示：点击文本框可听录音。Theyplantdifferenttypesoftreessothatbirdsandanimalscanliveintheforests.Theforestswillbecomelessandless.Wecannotbreathewithoutthem.

Retellpara.1TtytoretellitForestsarethelungsoftheearth.Removecarbondioxidefromtheair.MakeoxygenCutdownBuildhousesPlanttreesPost-reading1.没有做某事_____________________2.以便，为了________________________3.面对许多困难________________________4.在......之后(用将来时态用howsoon提问)

__________________5.即使_______________________6.比如，像...之类的________________________________________7.取代、代替某人/某物_______________________________________8.咬某人的腿________________________9.砍伐______________10.不同种类的_____________________________Findthephrases.withoutdoingsth.sothat=inorderthatfacemanydifficultiesin+一段时间eventhough=evenifsuchas+n./doingsth.=like+

n./doingsth.replacesb./sth.=taketheplaceofsb./sth.bite(bit)sb.onthelegcutdowndifferenttypes/sorts/kindsofProject=1=0=31.Answerthefollowingquestionstoseehowgreenyouare.FindingtheGreenestPerson=2

0—4Youhavenotstartedturninggreenyet!5—9Youarepalegreen.10—13Youaremediumgreen.Tryharder.14—18Youarebrightgreen,butdonotstoptrying.Score:1、Doyouusuallyrecyclenewspaperorcans?

Often.Seldom.Never.2.Whatdoyouusuallytake?Abath.Ashower.3.Whenyouhaveashortjourney,howdoyouusuallygothere?Walkorrideabike.Gobycar.Gobybus.4.Whatdoyouusuallydowhenyouseeotherslittering?Stopthem.Pickthelitterup.Donothing.ProjectProject5.Howoftendoyouusepapertowels?Often.Seldom.Never.6.Howoftendoyoueatfastfood?Often.Seldom.Never.7.Whattypeofbagsdoyouuseforshopping?Basketsorclothbags.Reusedplasticbags.Newplasticbags.8.Howoftendoyouturnoffthelightswhenyouleavearoom?Nearlyalways.Seldom.Never.Keypoints1.Theyplantdifferenttypesoftreessothatbirdsandanimalscanliveintheforests.

(1)

differenttypesof=differentsorts/kindsofmanysorts/kinds/typesofallsorts/kinds/typesofasort/kind/typeof(2)sothat=inorderthat+从句

“目的是，以便”inorderto=to=soasto+do

(动词原形)

“为了”注意：sothat表示“所以”时，相当于soeg.He

left

home

inahurry

sothat

heleft

hiscarkeyontheteatable.=Helefthomeinahurry,_____helefthiscarkeyontheteatable.

soKeypoints闯关练习：选用sothat,inorderthat,inorderto,to,so

填空。1.Shestayeduplate______________finishthetaskbeforetomorrowmorning.2.Theteacherexplainedthiskeypointagainandagain

___________________allhisstudentscouldunderstandher.3.Theoldladywasbadlyill___________shehadtobe

inhospitalforthreedays.4.OnhiswayhomeTomfelloffhisbike,_____hehurthimselfbadly.to/inordertosothat/inorderthatsothatsoKeypoints2.Theybelievethatin50yearstheirlittletreeswillbecomebeautifulforests.in+一段时间

表示“在...之后”时，常用于一般将来时，用howsoon

提问。howlong“多久”

对长度提问。/对

for/since+

时间

提问howfar“多远”对距离提问howoften“多久一次”对频率提问howmanytimes“多少次”对次数提问howmuch+不可数名词“多少”对数量提问/“多少钱”(价格）howmany+可数名词复数“多少”对数量提问howold/wide/deep/tall

多大/多宽/多深/多高Keypoints

闯关练习：

选用how的特殊疑问词组填空。1.—___________doyouusepaperbags?—Sometimes.2.—___________hasyourfatherworkedinBeijing?

—Sincetenyearsago.3.—___________istheYangtzeRiver?

—It’s6,300kilometers.4.—__________isyourhometothePeople’sHospital?

—It’sanhour’swalk.5.—__________timeshaveyouseenthemovieHarryPotter?

—Onlyonce.HowoftenHowlongHowlongHowfarHowmany闯关练习：

选用how的特殊疑问词组填空。6.—___________doesyournewdictionarycost?—It’sworth

98yuan.7.—___________boxesofmilddoyoudrinkeveryday?

—Two.8.—___________watercanyouseeintheglass?

—None.9.—__________shallwemeetagain?

—Inthreeyears.HowmuchHowmanyHowmuchHowsoonKeypoints3.Youarebrightgreen,butdonotstoptrying.

stop+

doing

sth.

停止正在做的事

stop+todo

sth.

停下来（目的是）去做另一件事eg.Whenwemeetourfriendsontheway,weshouldstop______hellotothem.A.tosayB.saying

AExercisesI.用所给词汇的适当形式或根据汉语提示填空。1.Whatdoyouusuallydowhenyouseeothers_________(litter)?2._________(solve)theproblems,theythoughtofallkindsofways.3.Buringgas,oilandcoal__________(create)airpollutionanditcanalso_________(cause)someillness.4.“Theydon’tallow__________here.”means“Theydon’tallowothers___________here.”(smoke)5.How______ourcountry______(be)in50years?6.Electriclightshave___________(取代)candles.7.TheweatherinnorthernChinais________(干燥)thanthatinsouthernChina.litteringTosolvecreatescausesmokingtosmokewillbereplaceddrierII.按要